A320 CH70-80

70-80

1. CFM MOTORS ARE DUAL ROTOR, VARIABLE STATOR MANUFACTURED BY GE & SNECMA
2. IAE MOTORS MANUFACT BY PW, RR, MTU, JAP
3. ENG MODULES:

                                                              i.      LPC:  LOW PRESS COMPRESS & FAN (N1)

                                                            ii.      HPC: HI PRESS COMPRESS+HP TURBINE+COMBUS CHAMBER

                                                          iii.      TRF: TURBINE REAR FRAME+ LPT

                                                           iv.      TAG: TRANSFER ACCESSORY GEARBOX

4. AGB DRIVEN BY HP ROTOR VIA TAG
5. STARTER ROTATES HPC VIA GEARBOX
6. DUAL CHANNEL ECU ON FAN CASE PROTECTS FROM OVERSPD
7. FADEC (FULL AUTHORITY DIGITAL ENG CONT) POWERED FROM DUAL OUTPUT ALTERNATOR ON AGB
8. FADEC POWERED IF:

a.       MASTER SW ON

b.      CRANK POS

c.       FADEC GND POWER SW ON

9. FADEC SYS CONSIST OF:

a.       ECU

b.      HMU (HYDROMECHANICAL UNIT)

c.       ALTERNATOR

d.      COMPRESSOR CONT UNIT

e.      CLEARANCE CONT SYS

f.        START SYS

g.       THRUST REVERSE

h.      OIL/FUEL TEMP CONT SYS

i.        FUEL RETURN VLV

j.        SENSORS

10. VIB SENSOR CONNECTED TO EVMU (ENG VIB MONITOR UNIT)
11. THRUST REVERSE COMMANDS GOES TO ECU AND EIU THEN HCU
12. HCU(HYD CONT UNIT) OPERATES REVERS ACTUATOR BY GREEN FOR ENG1 AND YELLOY FOR ENG2
13. SEC CONTROLS SHUTOFF VLV TO PREVENT ACCIDENTAL OPERATION
14. ENG PARAMETERS:

1.       PRIMARY (N1,EGT,N2,FF) SHOWN ON UPPER  ECAM

2.       SECONDARY(FU,OIL TEMP, OIL PRESS, VIB, NAC TEMP) SHOWN IN LOWER ECAM WHEN FAULT OR SELECTION

15. PRIMARY PARAMETERS + FF SENT DIRECTLY TO CFDIU FROM ECU
16. SECONDARY PARAM SENT TO CFDIU VIA EIU
17. VIB AND NAC TEMP ALSO SHOWN IN CRUISE PAGE
18. 2 EIU IN AV BAY
19. IGN BOX & STARTER ARE IN R/H
20. HMU , FUEL PUMP & OIL TANK ARE IN L/H
21. ECU POWERED FROM

1.       PMG WHEN N2>15% OR FIRE P/B OUT

2.       EIU WHEN N2<15%

3.       ALTERNATOR

22. IF ECU FAIL ALL COMPONENT GO TO SAFE POS
23. IDLE MODE;

                                                              i.      GND: SLAT EXT

                                                            ii.      FLT: IN APPROACH

24. ENG START DONE :

1.       AUTO BY FADEC WHEN MASTER SW ON

2.       MANUAL BY P/B

25. FDIMU RECIEVES FROM ECU CHANNEL  A
26. ECU RECIEVES ENG INLET PARAMETER FROM ADIRU VIA EIU
27. N1 SENT TO EIU AND EVMU
28. EGT IS AVERAGE OF 9 THERMO COUPLE IN T49.5
29. FF SENS & N2 ARE ON AGB
30. MASTER CAUTION:

1.       EGT>950°C, N1>104%, N2>105%

2.       OIL CLOG IN ΔP>25PSI

3.       FUEL CLOG  IN ΔP>11.5

4.       OIL TEMP>140°C FOR 15MIN

5.       DISAGREE OF RESOLVERS OF THR LEVER

31. MASTER WARNING : IF LOW OIL PRESS<13PSI